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In cattle, the main signs of paratuberculosis are diarrhea and wasting. Most cases are seen in 2- to 6-year-old animals. The initial signs can be subtle, and may be limited to weight loss, decreased milk production, or roughening of the hair coat. The diarrhea is usually thick, without blood, mucus, or epithelial debris, and may be intermittent.
Mycobacterium bovis is a slow-growing (16- to 20-hour generation time) aerobic bacterium and the causative agent of tuberculosis in cattle (known as bovine TB).It is related to Mycobacterium tuberculosis, the bacterium which causes tuberculosis in humans.
The most common clinical sign for infected cattle is ulcerative lesions of the skin. [13] Mastitis, an infection of the udder that is most commonly caused by species of the Streptococcus and Staphylococcus genera, may also be caused by C. pseudotuberculosis in rare circumstances. [14] [11] [13] Infected cattle may also have a higher frequency ...
It is the causative agent of Johne's disease, which affects ruminants such as cattle, and suspected causative agent in human Crohn's disease and rheumatoid arthritis. [2] The type strain is ATCC 19698 (equivalent to CIP 103963 or DSM 44133). [3]
M. tuberculosis is able to reproduce inside the macrophage and will eventually kill the immune cell. The primary site of infection in the lungs, known as the Ghon focus, is generally located in either the upper part of the lower lobe, or the lower part of the upper lobe. [13] Tuberculosis of the lungs may also occur via infection from the blood ...
Bacterial diseases carried by wolves include: brucellosis, Lyme disease, leptospirosis, tularemia, bovine tuberculosis, [3] listeriosis and anthrax. [1] Wolves can catch Brucella suis from wild and domestic reindeer. While adult wolves tend not to show any clinical signs, it can severely weaken the pups of infected females.
In animals, Y. pseudotuberculosis can cause tuberculosis-like symptoms, including localized tissue necrosis and granulomas in the spleen, liver, and lymph nodes. In humans, symptoms of Far East scarlet-like fever are similar to those of infection with Yersinia enterocolitica (fever and right-sided abdominal pain), except that the diarrheal component is often absent, which sometimes makes the ...
Different species are found in cattle and deer (D. viviparus), donkeys and horses (D. arnfeldi), and sheep and goats . These animals have direct life-cycles. The lungworms in the superfamily Metastrongyloidea include species that infest a wider range of mammals, including sheep, goats and pigs but also cats and dogs.